What is a Claim? Claim[kleym]noun1.An insurance Claim is a policyholder’s request to an insurance company for restitution based on the terms of the insurance Policy. The insurance company, through an Adjuster, investigates the validity of the Claim and pays the policyholder. Share | Related Content If You're In An Accident Do you know what to do if you're in a car accident? What is an Appraisal? Do you know what an Appraisal is? Protecting Those Who Matter Most The importance of life insurance, how it works, and how much coverage you need.